Type-C Interface 4 Port USB HUB 1 USB + 3 USB

0 port , T420 systems do not have any ports The yellow USB port simply means that it can supply power to external devices (charge

In Device Manager, you will see Universal Serial BUS Controllers or USB controllers Expand the menu Here, you should see USB mentioned in

usb 30 slot Type-C to 4 Port Hub by Bafo Easily connect multiple devices like mouse keyboard and other accessories along with USB C Adapter

usb slot types Adds three USB ports and one Gigabit Ethernet port to your PCIe enabled desktop computer